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~~The GTX 670 Overclocking Master-Guide~~ - Page 179

post #1781 of 3357
Hey folks.

Just picked up a Galaxy 670 GC with a fantastic cooler. I've managed to get it overclock so I'm gaining about a 30% performance increase on 3dmark over my 460 SLI.

However, I'm a little curious about my 670. I can only get it to a clock speed of 1212 but I can get my memory way up there to +650 at 3653. Now, a 1212 gpu clock seems kind of slow, and my temps are amazing, at 64 degrees with only a fan speed of 50%. I guessing that I just got a little unlucky with my card only being able to clock 1212? Are there known cards that clock much much higher? I know 1300 is unrealistic, and idk how much 50 ghz would make a difference FPS wise, but it just the first time I've had so much cooling and power and I can't go beyond this point. Thoughts?
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post #1782 of 3357
I'd say that's an average to low-side of average core clock for a 670. Have you tried turning down the memory clock and seeing if that lets you get any higher on the core? Without voltage control there isn't much you can do to push it farther without modding the BIOS.
post #1783 of 3357
Quote:
Originally Posted by Forceman View Post

I'd say that's an average to low-side of average core clock for a 670. Have you tried turning down the memory clock and seeing if that lets you get any higher on the core? Without voltage control there isn't much you can do to push it farther without modding the BIOS.

I did try to clock the GPU first and the highest I could go was 1212. Whats the average for memory? I don't notice any artifacting up to 700, except in one spot in Heaven version 3. Its there regardless if I put my clock speeds at stock or with a boost. Maybe I'll try downclocking to see if that makes a different.
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post #1784 of 3357
Quote:
Originally Posted by justanoldman View Post

Can anyone with an EVGA GTX 670 FTW tell me if these numbers make any sense?

I tried three different cards in two machines and the best of them was able to take +50, and +650 in Precision X. The max numbers in the Precision monitor were 1215 for GPU clock and 3758 for memory clock. The cards also would go up to 130% power which seems high.

The best they could do was 51 to 52 fps in Heaven 3.0 with max settings at 1080p. Are any of these numbers somewhat normal?

The only thing I can think of is there are a lot of poor EVGA FTW cards out there, and that is why they are on sale: $349 with rebate.


My card does 1280/3550, but it gets very hot over 1250 core... Im talking 100c on stock profile almost 80c on a quiet setting (65% max). If youre looking to buy a gtx 670 Id say go for gigabyte.

Ive been sooo happy with my 670. Really no "issues" at all. I bought a Gigabyte version for my girlfriend tho, and the other day we had to move her rig (small Sugo SG07 HTPC-ish pc) because our wireless mouse died). I removed some dust and ran heaven 4.0 since I havent had a chance to feel her pc up since it came out. Ive never really tried to OC that card before, but OH MY GOD. 20c cooler than mine and I only had it for about an hour and still hit this:




Check the temperature, and were talking inaudible-ish fan-speeds.
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post #1785 of 3357
Quote:
Originally Posted by Punker1234 View Post

I did try to clock the GPU first and the highest I could go was 1212. Whats the average for memory? I don't notice any artifacting up to 700, except in one spot in Heaven version 3. Its there regardless if I put my clock speeds at stock or with a boost. Maybe I'll try downclocking to see if that makes a different.

So I underclocked my GPU speed and memory speed and i still only get artifacts in one spot on Heaven 3 benchmark when it's doing a 360 around the dragon statue. Should I be worried?
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post #1786 of 3357
What kind opf artifact? Could just be a corrupted texture or something. I would just go with the overclock you had and see how it responds in games. BF3 and FC3 are both pretty tough on overclocks, so if you have those you could do 30 minutes or so and see how it fares.
post #1787 of 3357
Quote:
Originally Posted by Punker1234 View Post

So I underclocked my GPU speed and memory speed and i still only get artifacts in one spot on Heaven 3 benchmark when it's doing a 360 around the dragon statue. Should I be worried?

a lot of people get that artifact. i thought everyone was crazy and had bad overclocks cause i never saw it, ever, on my asus. my gigabyte, yep, its there.
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post #1788 of 3357
Quick tip: If you think Heaven 4 is stressing your card, try to loop 3dmark06 Canyon Flight.. I found it to be much more stressful then even Heaven 4 !
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post #1789 of 3357
I did some research too and it looks like a lot of cards get that artifact. So I'm pleased about myemory overclocking capabilities. I just wish i could get a little over the 1213 mark. Oh well. 50 mhz is probably good for about 1 fps in a real game scenario (not Heaven)?
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CPUMotherboardGraphicsRAM
i7 920 @ 3.5  Asus Rampage III Formula Galaxy GTX 670 OC Corsair Dom 6 Gig 1600 
Hard DriveOptical DriveCoolingOS
Samsung Evo 840 SSD and 1 TB WD Asus DVD-RW Corsair H50 Windows 7 64 
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post #1790 of 3357
Quote:
Originally Posted by Punkbuster View Post

Hey guys,

why does my 670 not boost to my full OCed Max Boost Clock when playing Crysis 3? It fluctuates very much...
Temp is not going over 50° (watercooling) and Power never was over 100%.
I think i could run Crysis better if it would boost normaly.

And another question, my card always toggles to 2D mode when I start Valley in 1440p, not in 1080p. This sometimes happens also in other games.
Here is a screen what happens:



Nothing changes except the Power and the Framerate.


I hope you can help me, thanks!

Which GTX 670 do you have?
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